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AN7124 Datasheet(PDF) 1 Page - Panasonic Semiconductor

Part No. AN7124
Description  Dual 3.1 W Audio Power Amplifier
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Maker  PANASONIC [Panasonic Semiconductor]
Homepage  http://www.panasonic.com/industrial/
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ICs for Audio Common Use
1
AN7124
Dual 3.1 W Audio Power Amplifier
s Overview
The AN7124 is a monolithic integrated circuit designed
for dual audio power amplifier of portable radio cassette.
s Features
• Audio output : 3.1 W × 2 channel
• Built-in standby and muting circuit
• Built-in thermal shut down protection circuit
• Low pop noise during standby and mute ON/OFF
• No negative feedback pin
s Applications
• Radio-cassette
s Block Diagram
s Pin Descriptions
HSIP012-P-0000A
Unit : mm
7.7±0.3
(12.5)
19.1±0.3
21.9±0.3
(1.2)
φ3.6
R1.8
Pin No.
Description
1
Stand-by
2
Muting
3
ch.2 input
4
ch.1 input
5
Input GND
6
Ripple filter
Pin No.
Description
7
ch.1 output
8
ch.1 bootstrap
9
Output GND
10
VCC
11
ch.2 bootstrap
12
ch.2 output
Over current
thermal
protection
circuit
Ripple
filter
STB
Mute
45 dB
45 dB




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